C program to find the Size of Structure

#include<stdio.h>
/* structure is implimenting */
struct stud {
   int roll;
   char name[10];
   int marks;
};
/*main fuction begin*/
int main() {
   int size;
   struct stud s;
//size of the stucture
   size = sizeof(s);
   printf("nSize of Structure : %d", size);

   return(0);
}

c program to find an interger is even or odd

#include <stdio.h>
int main(){
      int num;
      printf("Enter an integer you want to check: ");
      scanf("%d",&num);
      if((num%2)==0)      /* Checking whether remainder is 0 or not. */
           printf("%d is even.",num);
      else
           printf("%d is odd.",num);
      return 0;
}

Bubble sort algorithm in c

// Bubble sort by yeomans //
 
#include <stdio.h>
 
int main()
{
  int array[100], n, c, d, swap;
 
  printf("Enter number of elements\n"); scanf("%d", &n);
 
  printf("Enter %d integers\n", n);
 
  for (c = 0; c < n; c++) scanf("%d", &array[c]);
 
  for (c = 0 ; c < ( n - 1 ); c++)
  {
    for (d = 0 ; d < n - c - 1; d++)
    {
      if (array[d] > array[d+1]) /* For decreasing order use < */
      {
        swap       = array[d];
        array[d]   = array[d+1];
        array[d+1] = swap;
      }
    }
  }
 
  printf("Sorted list in ascending order:\n");
 
  for ( c = 0 ; c < n ; c++ )
     printf("%d\n", array[c]);
 
  return 0;
}